Theriva Biologics reports no significant changes to explain unusual trading activity.
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Oct 24 2025
0mins
Unusual Trading Activity: Theriva Biologics reported unusual trading activity in its common stock on the NYSE American on October 24, prompting inquiries by the company.
No Corrective Actions Needed: The company concluded that no corrective actions were necessary and stated there were no undisclosed material developments affecting the unusual market activity.
VIRAGE Trial Presentation: On October 13, 2025, Theriva announced the presentation of expanded data from its VIRAGE trial investigating VCN-01 at a session during the European Society for Medical Oncology Annual Congress.
Market Response: Despite the unusual trading, Theriva emphasized that it was unaware of any reasons for the market fluctuations beyond the previously disclosed information.
Get Free Real-Time Notifications for Any Stock
Monitor tickers like TOVX with instant alerts to capture every critical market movement.
Sign up for free to build your custom watchlist and receive professional-grade stock notifications.
Analyst Views on TOVX
About TOVX
Theriva Biologics, Inc. is a diversified clinical-stage company developing therapeutics designed to treat cancer and related diseases in areas of high unmet need. The Company is advancing a new oncolytic adenovirus platform. The Company’s candidates are VCN-01, SYN-004 (ribaxamase) and SYN-020. VCN-01, an oncolytic adenovirus designed to replicate selectively and aggressively within tumor cells, and to degrade the tumor stroma barrier that serves as a physical and immunosuppressive barrier to cancer treatment; SYN-004 (ribaxamase) which is designed to degrade certain commonly used IV beta-lactam antibiotics within the gastrointestinal (GI) tract to prevent microbiome damage, thereby limiting overgrowth of pathogenic organisms such as VRE (vancomycin resistant Enterococci), and SYN-020, a recombinant oral formulation of the enzyme intestinal alkaline phosphatase (IAP) produced under cGMP conditions and intended to treat both local GI and systemic diseases.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
Theriva Biologics Receives EMA Support for Phase 3 Trial of VCN-01
- Strong Stock Performance: Theriva Biologics' stock rose 4.03% on Monday with a trading volume of 114.18 million shares, significantly exceeding the average volume of 15.61 million shares, indicating positive market sentiment regarding its clinical advancements.
- Clinical Trial Design Approved: The company received Scientific Advice from the EMA's Committee for Medicinal Products for Human Use, supporting its Phase 3 trial design for VCN-01, aimed at evaluating its efficacy in combination with standard chemotherapy, potentially offering new treatment options for pancreatic cancer patients.
- Survival Rate Improvement: In the previous VIRAGE Phase 2 trial, patients treated with VCN-01 in combination with standard chemotherapy demonstrated higher overall survival and progression-free survival rates, particularly those receiving two doses of VCN-01, further validating the drug's potential efficacy.
- Healthy Cash Position: As of November 10, 2025, Theriva had $15.5 million in cash and equivalents, providing a runway into the first quarter of 2027, facilitating interactions with regulatory agencies and scaling up VCN-01 manufacturing.
Continue Reading
Theriva Receives EMA Approval for Phase 3 Trial of VCN-01 in Metastatic PDAC
- Trial Design Approval: Theriva has received EMA approval for the Phase 3 trial design of VCN-01 in combination with gemcitabine/nab-paclitaxel for metastatic PDAC, which is expected to significantly enhance patient survival and treatment outcomes.
- Funding Runway Until 2027: Theriva's cash reserves are projected to last until Q1 2027, ensuring the company can complete regulatory activities and trial designs, thereby strengthening its competitive position in cancer treatment.
- FDA Meeting Scheduled: Theriva plans to hold an End-of-Phase 2 meeting with the FDA in H1 2026 to finalize the design of the Phase 3 trial, further advancing VCN-01's path to market.
- Potential of Multi-Dose Regimen: EMA acknowledged the significant survival improvement in patients receiving two doses of VCN-01 in the VIRAGE study, and Theriva plans to explore the application of three or more doses in the Phase 3 trial to achieve even better therapeutic outcomes.
Continue Reading